[testing] Increase a bit the tolerance of the test
[pocolibs] Rework GenPos using ctypes and GeNoM generated interfaces
[pocolibs] Rework pom using ctypes and genom generated interface
[pocolibs] More conversion to ctypes genom stuff
[pocolibs] More conversion to ctypes infrastructure
[pocolibs] Adapt niut to use ctypes and generated genom interface

XXX Completly untested
[pocolibs] Rework a bit cmakelist and erase now useless C files
[pocolibs] Remove sick as it has never worked
[pocolibs] Rewrite viman to use ctypes and genom generated interface

XXX Completly untested
[middleware] Adapt pocolibs interface to new class models
[pocolibs] Rewrite viam handling

- Write manually a C-wrapper to interface viam poster and python
- Rewrite viam.py to deal with class-based datastream world
[pocolibs] Rewrite CMakeLists.txt

It is really much simpler now than we do not need to check exactly for
the different libraries
[pocolibs] Remove velodyne, it never works well, and needs complete rewriting
[pocolibs] Remove old swig files
[builder] Set correctly new entry for pocolibs
[pocolibs] Replace General_Poster.new_poster in overlays
[doc] builder WIP